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Concrete 3d printer house
MudBots 3D Concrete Printers - Print a House
Our printers come in a variety of sizes, from smaller 15'x15' up to 100'x50'
Shop Printers
Want to see how much you will save when 3D Printing a home versus traditional building? Check out our cost calculator.
Cost Calculator
Marketable Designs
We’ve been told that if the printer wasn’t any faster and wasn’t any cheaper to build with, it would still be the most significant tool ever, because it allows architects everywhere to begin offering designs that were cost prohibitive in the past.
Consumers are tired of the costs associated with conceptual designs. Traditional construction is limiting without astronomical costs. Architects have the ideas, but most consumers aren’t willing to pay for them. With a printer the cost between boring and amazing is the same.
Industries
Want to build one? Call us.
3D Print Walls
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3D Print Fireplace
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3D Print Monument Letters
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3D Print Benches
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3D Print Fences and Walls
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3D Print Signs
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3D Print Monuments
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3D Print Fountains
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3D Print Retainer Blocks
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3d Print Monument and Waterfalls
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3D Print Planters
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3D Print Sheds
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3D Print Monument Boulders
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3D Print Drainage
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No More Forming
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3D Print Stairs
How It Works
1
Concrete printing is possible with the construction of a large 3D printer capable of printing large scale structures, from spas and barbeques to homes and larger commercial buildings, without the need of traditional framing, forming or blocks. MudBots offers printers from 15' x 15' up to 100' x 100'.
2
There are hundreds of different mix formulas that closely resemble a mortar type mix. Each mix requires months of testing for different characteristics, such as fluidity, bonding, water impenetrability, Seismic resistance, as well as curing and strength. Mixes are designed for 1200 PSI up to 10,000 PSI, depending on the structure and engineered objectives.
3
First step is to decide what you want to print.
4
The next step is to conceptualize a 2D design using a CAD program, and then converting the design to a 3D model using any 3D software that can export an STL file.
5
Once the 3D model is ready, the STL file is imported into a slicing software, where the height of each printed pass is specified.
After slicing the model into individual print passes, the system exports the code which is interpreted into actual nozzle movement.
6
Electrical boxes and plumbing are added during the print leaving perfect finish without gaps.
7
The mix is batched on site after which, the liquid ingredients are added to the dry mixes and mixed for delivery to a computer-controlled pump, which works in unison with the printer to control nozzle speed, and the volume rate of material at the nozzle.
8
After printing the walls, windows and doors are cut out while the print is still green, leaving perfect openings for window/door casings.
9
The key to printing without stopping every 12" as seen by the rest of the world, is utilizing a batch plant that meters all the dry and liquid ingredients as the temperature, wind and humidity change.
the mix formula being used at 5am is not the mix being used an hour later. MudBots provides a variety of mix formulas with differing strengths and cure times without being forced to buy proprietary mixes and paying 5 times as much when everything needed is already available at local batch plants.
Process
Step 1
Three men assembly in 3 hours without any lifting devices or need for heavy footings
Step 2
Print layout for footings with spray nozzle attachment
Step 3
Move printer for escavators in just 10 minutes
Step 4
Print forms for footings and flatwork
Step 5
Print walls up to 10' without stopping
Step 6
Add electrical boxes, rebar, and trowel walls while printing
Understanding What We Do & Don't Do
Here's how you can save.
Layout for Footings Dig
The first cost savings will be the elimination of 3 men, string lines, and marking paint.
Simply add the airless attachment to the nozzle of the printer, and your entire layout for footing is done in minutes. Push the printer out of the way and start digging.
(The printer is able to print forms for footings)
Footing Forming
The layout and forming for footings and stem walls are very time-consuming. It takes a lot of lumber, diesel, stakes, and labor that is no longer necessary. Simply level the area, compact them, level the four corners of your printer, and PRINT.
(Forms do not need to be stripped when printed)
Footing Stripping
Perfect level and square forms are printed right from the computer. Grading is also easier, as the only real important level is the 4 corners of the printer. Printer can be set up for uneven grades.
(The printer can print the forms for slab)
Slab Forming
The slab layout and forming is critical to all other subs on the job.
If a mistake is made at this point of the project, nothing else is square, and all other subs suffer. With the Concrete Printers, the house is square every time.
Slab Finishing
Not there yet, but our concrete printer will be finishing slabs within the next 6 to 12 months, and can be ordered as an option. If you’re waiting for all the options to be available before buying, you’ll never buy a printer, because we will never stop innovating. All upgrades will be available and are designed to be added to all of our printers.
(We can print basements)
Basements
Our printers easily print basement walls without the need of forming, backfilling, stripping forms, forming interior walls, drywall, insulation or taping. All of this is done by the printer.
(There is no need for the labor or time to do layout on slab)
Framing Layout
The printer knows where your wall is going to be.
No chalk lines needed. Once the slab is poured, all you have to do is hit print.
(No need for framing)
Framing
No warped studs, better fire rating, no mildew. No matter how you look at it, printing a home is far better than framing a home. Concrete printing is faster, more accurate, just better all around.
(No need to drill studs for electrical)
Rough Electrical
This is not necessary as walls can be printed that are hollow. Depending on the mix that is used, there is also no need for rebar or solid pour exterior and bearing walls. We know the idea of exterior walls and bearing walls without rebar seems ridiculous, but it's time to learn something new. Look up 20,000 PSI concrete and geopolymer. It's real.
(No need to drill studs for plumbing)
Rough Plumbing
This isn’t necessary as walls can be printed hollow.
Same as above. Your electrical and plumbing will be less expensive.
(Printed walls are finished without additive material during the print)
Drywall
You will still need to hang the lid, but not the walls. This goes for the basement. Just trowel the printed wall and when done, it's as smooth as a 3-coat drywall. Most countries do not wood frame at all. They build with bricks and then send a crew of mason finishers, and when it’s done, it’s smooth as anything.
(No need for taping as the walls are troweled smooth during printing)
Taping
Some print finishes may not need to be finished if acceptable to the customer. Taping takes days for each coat to dry. This is not the case with mason finishing. Within 3 hours of the walls being printed, the walls are already finished.
Finishes
If builders want to finish the smooth walls with a knock down broquet, orange peel or other finish, just come back the next day and spray with a hopper, top coat and trowel.
(Exterior walls are finished during the print)
Stucco / Siding
No paper, mesh or additive material is needed. This isn't a process that is done days after framing and sheeting. The finish is done real time as the wall is printing.
(Printers can be purchased with an insulation attatchment)
Insulation
You can have any R Factor you want depending on the density and material. A solid concrete wall has an R9 Value. If you print a hollow wall and back fill with fiberglass, polystyrene or cellulose, you can achieve any R value you desire.
(Mudbots is working on a composite truss system that can be printed on site)
Trusses
Additionally, house plans can be modified to allow for dome roofing, which can also eliminate trussing and sheeting costs. The truss system utilizes the same printer, but with the use of a different mixer/pumping system.
As new advances become available, they will be bolt-on solutions with your existing printer.
Underground
More and more customers are starting to experiment with additional uses. Underground is definitely something worth considering. The cost is high for underground but can be significantly reduced by printing on site.
Landscape and Hardscape
The 3D Concrete Printer is a landscaper’s dream. Never before could you have offered products at a fraction the cost of your competition while still earning profits. It is basically unheard of. Developers will rethink their offerings when they realize how affordable the little extras are. The extras will set them apart from all the others.
Pool and Spa
By now, you may be realizing how significantly concrete printing is about to change so many industries. Pool and spa is just another market that will benefit. The cost for traditional pool construction is about to change.
Homes can be sold with included water features at a fractional cost.
Signage
Very seldom do we see breathtaking signage. Everyone is looking for ways to stand out, but it keeps getting back to budgets. Imagine the development entries that are possible now. These printers like to print and with everything they can do, it would be foolish to have any down time.
Registration is required to access our Cost Calculators. We provide online tools for calculating the cost for mix formulas and “side by side” project costs comparisons using 3D technology.
Apples Comparison Test New
Complete the worksheet to have a better idea of where you will save in terms of Materials and Labor.
Bag Cost
Use this worksheet to determine the Cubic Inch Cost of the ingredients that will be used in the specialty mix for printing.
Mix Formula
This is a necessary first step to determine the material cost of any mix formula.
3D Printing Costs
Use this calculator to estimate costs to build using concrete printing over traditional construction methods.
Will It Pass Code?
First time callers don’t have any problem recognizing that concrete printing would be far faster and cheaper. They also don’t question the feasibility of learning the tech. The single most asked question relates to passing code. No fear of the tech, just fear of their building department.
Truth is concrete printers are already building homes and commercial buildings all around the world, so when considering the application in your backyard, here are a few things to consider.
ICF Construction
The best way to wrap your head around concrete printing is to start with the basics, and there is no better way than to liken 3D Concrete Printing, or 3DCP, to Insulated Concrete Block construction.
ICF code is accepted everywhere yet a foam block has virtually no structural strength at all. So when you are considering how you would pass code, keep ICF in mind. For the most part, a concrete printer is doing nothing more than printing a hollow wall shell that can be filled with rebar and concrete. The only difference is foam has no strength at all, compared to what we print in most cases, which is twice the strength of cinderblock.
CMU Construction
Now with that in mind, let's look at the similarities with CMU (Cinderblock). No one questions the ability to build with cinderblock. While we don’t encourage it, take into consideration the fact that you can print walls that are the exact dimension and design as cinderblock yet twice as much the strength, and without grouted joints that are susceptible to seismic cracking.
The advantage of concrete printing is the ability to print hollow walls which reduced costs for electrical, plumbing and insulation.
Additionally, hollow walls can be insulated to almost an R factor with ease with the absence obstructive studs.
The challenge isn’t whether or not it's possible, as it's already being done everywhere. The challenge is whether or not you can find a structural engineer that makes it possible. It's all about math. The code already exists, all you have to do is exceed the code, and to do that, you need to start with the mix.
Testing and Math
We have developed and tested a myriad of different mixes with different characteristics, such as PSI, tensile strength, water impenetrability, fire resistance, as well as cold weather mixes, hot weather mixes, accelerated mixes, and retarded mixes. We provide the formulas and the lab results that your engineer will need to determine what the wall designs will be. Once they have the testing results, they can design a wall that exceeds any code anywhere.
Some choose to stay close to traditional methods by printing walls that resemble ICF and CMU, but others, who have more confidence, take it all the way by utilizing stronger mixes, so that they can capitalize on ALL the cost-saving benefits.
Plans and Details
As for the other considerations, we have plenty of videos that address common questions about headers, attaching hurricane straps, installing electrical boxes, securing plumbing, mounting top plates for trussing and methods for tying the wall to the foundation. Although, most engineers want to see the methods being used by others first before reinventing the wheel, as they learn more and more until there isn’t a question that they can’t offer up to 4 or 5 solutions when asked. Most of this is common sense, nevertheless, we have the plan details and math to share.
As we’re saying this, bear in mind that every state, and sometimes even cities, have different building codes. What we will share is determined by specific code and conditions that are not specific to your state. Far too many factors come into play, such as mix characteristics, code, water table, frost level, annual snow loads, wind, seismic, soil compaction for starters.
We do not provide structural engineering, but we can point you in the right direction.
Deal Breakers?
Everyone who is considering the use of concrete printing has a lot of work to do before they can commit to a purchase. There is no shortcut. The investment of time is inevitable. As you start down the path to making a decision, it’s easy to get confused as to what’s most important, and where you should spend your time, but as you consider the options presented to you, there will be some paths that obviously are a waste of time. Everyone needs to know what their deal breakers are. They will be different for each person, but from speaking with others, we have a pretty good idea of what most consider their deal breakers.
Design
From the onset, our engineers understood the importance of creating a design that had all the same features but was also easily understood. A printer that is lightweight and easily assembled in the field.
MudBots printers weigh 75% less than any printers in the industry, with an assembly time that is 80% faster. This is a printer that does it all, does it faster, and is half the price of anyone.
Basements and Second Story
In some parts of the world, the ability to print basements and a second story isn’t a big deal, but in North America, it’s essential. Look around and you will find that most printers in this marketplace don’t have the ability to do either without tremendous unnecessary excavation or back filling. If you’re going to invest in a printer, most agree that the ability to quickly set up for footings, basements and second story is a must.
Assembly
Look at any other printer and you will recognize right off that assembly is going to be an expensive challenge. Imagine the worst IKEA assembly ever. That’s about what you get. Think about parts that are heavy to manage without forklifts and cranes, imagine hundreds of nuts and bolts.
In some cases, needles cosmetic plastics that serve no function, waste hours of assembly, and will undoubtedly be broken and expensive to replace. Most printer designs make sense to the engineers that built them, but not so much to the contractors that will need to assemble it in the field. A 20' x 20' MudBots printer can be assembled with 2 workers in two hours without any mechanical lifting. MudBots can also be moved from one lot to another without disassembly by simply adding wheels. Additionally, the printer can print entire structures without being moved multiple times.
Proprietary Mixes
If you think your printer cartridges are expensive, wait until you have to buy and ship proprietary concrete mixes from halfway around the world or even the USA. MudBots is the only ones that provide the mix formulas for your printer and allow you to use any mix without voiding your warranty. This should be a deal breaker for everyone as they begin to realize what they will be paying for are mixes that are (mostly) available at their local hardware store, not to mention the cost of and any delay in shipping.
Customer Service
Does it feel like the others are sleeping on the job? There is far more to consider when thinking who to buy from than a few online videos and website. This is a significant purchase for most, but as you're out knocking on doors, the one thing you should consider the most is customer service. Start calling around and you’ll discover that there’s no one to talk to. Phone numbers are hidden, and emails go unanswered for weeks. You have to ask yourself, if no one will talk to you now when you have the money on hand, what’s it going to be like when you need support.
Price
If you’ve been lucky enough to get this far with anyone, the first thing you will find is that MudBots isn’t just a little better in price. MudBots is 1/2 to 1/3 the price of other printers, with more features and options than anyone. Price is always a factor, as well as ROI. Do the numbers and you’ll find that within 60 days, you’ll have already paid for your printer in savings, and likely will be looking for your second purchase because of the advantages.
Franchise
Most of our customers contact us because they are excited about the income possibilities that our printers will offer them, but for this very reason, the greater opportunity is in securing the exclusive distribution rights for their state. By merely owning and using our printers, our customers will undoubtedly generate tremendous excitement as they begin printing unbelievable designs at a third the cost and a third the time. It would be impossible to keep such a tool a secret. As news of this innovation begins making its way to the public, demand will become unimaginable. Since our customers are creating the exposure and excitement, it’s only right that they share in the success and residual income opportunity.
Jurisdiction
Most contracts start off with optimism and the best intentions, but if you’ve been doing this a while, you have learned that in the event of any legal actions, jurisdiction is an issue. If you’ve ever had to litigate outside your state, you recognize the challenges, but litigating outside the country is altogether different.
We take a lot for granted in America, but that is not the case intentionally. Imagine trying to hire legal counsel abroad and trying to interpret international laws. This does not certainly offer home court advantage, and asking anyone who has tried, you’ll see that this is problematic at best. But even if you prevail, collecting on a judgement with corporate assets abroad is nearly impossible.
Master Dealer
We thought so!
Want more time with your family?
Want to earn over 100K a month?
Want to have your own company?
MudBots is looking for the best. If you have a background in construction, love new technology, and especially love business in general, you're in the right place. MudBots has developed the first line of 3D Concrete Printers available to the world.
Media everywhere is saying that the new technology will change the construction industry forever. Seldom do opportunities come along with the huge market interest and untapped market. This is what business opportunist dream of.
Quality of Life
Success is measured in many ways, but true success is measured by the peace a person feels when they know they are doing something they love, their efforts are rewarded with increased gain, and they have the time to enjoy both with the ones they love. There are countless ways to make a living, but if you don’t enjoy what you’re doing or you don’t have the time to enjoy anything else, it’s hard to be satisfied. MudBots Master Dealers enjoy all three. They earn a remarkable living, they have the freedom to work when they want and because of their success, they get to focus on the more important things in life – their Family.
Job Description
The only way to manage a company that is growing as fast as MudBots is to have qualified individuals in every region of the country who can demonstrate products and serve their dealers.
The Master Dealer program gives the company and its dealers the representation needed while offering a significant opportunity to those who embrace the call.
Exclusive Region
As an RMD, you will be given an exclusive license to represent and profit off of ALL the MudBots sales in your state/region. It is generally a full state, but in larger markets, a state may be divided to provide for better reachability and service.
Residual Income
There are many ways to profit as an RMD but the “residual commission” is by far the most enticing. Sell it once and continue earning for years to come. As an RMD you will earn up to 10% on every printer sold. With printers ranging from 284k to 1.3 million, it’s not hard to see how lucrative the venture can be. If RMDs sign up one new dealer every month who sells one printer a month within 12 months, depending on the profit sharing each RMD sets up with their dealers, earning after 12 months of work with 12 compliant dealers should be well over 100k a month.
Why so much? Quite simply, we want to attract the best in the industry. An organization is only as good as its people. We want professionals, self-motivated individuals who are passionate about building their own business along ours.
Economy
One of the best thing about concrete printers is the recession-proof nature of products. If the economy slows, the need for faster and more affordable construction methods increases. Those trying to compete with traditional construction methods will quickly discover they can’t even come close, resulting in even more demand for MudBots products. Prospects can get on board now or wait until they are losing contracts without one.
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Minimum Requirements
Training
Attend a 4-week training in Utah
Printers
Purchase two (2) demo printers equaling 500k or more
Truck
Must have a late model truck
Trailer
Must have an enclosed branded trailer
Demo Product
Demo product to 2 dealers each week
1 Dealer / Month
Sign one dealer each month
Work or Fun
The best thing about a career with MudBots is that it’s just plain fun.
As more and more ways are discovered for utilizing 3D Concrete Printers, every day is an exciting adventure. It’s fun to make money doing what you love and this is definitely an exciting product that sells itself. Industry professional everywhere are in awe when they see products being printed without the need of straight lines and forms. This is a product that people will watch for hours in amazement. The longer they watch, the more they realize how valuable 3D Printing will be to their business.
Getting Started
To get started, call and request an NDA and RMD application. Once accepted, you may attend the next RMD training where you will spend three full days of training and Q&A. You will learn about the industry, the opportunity, printer operation, specific mixes, lab testing, structure engineering, potential markets & marketing strategies. By the time you return home, you will be confident in your ability to promote and service the dealers in your area.
Welcome to MudBots.
Connect The Dots
As companies begin down this road the process and solutions for building with 3DCP’s can seem daunting at first but it doesn’t take much looking around to realize that answers and solutions are not far away. Here are some videos that will help with connecting those dots.
Fiber Cement Siding to Block
Hardy Plank over Block
Hardy Plank Siding on Block
Architectural Foam Accents
Applying Architectural Foam Accents
Spraying Finish on Artictectural Foam & Finishes (1/2)
Cement Screws and Fasteners
Cement Board Screws
Faux Concrete Wall Panels
Wall Cladding Systems
Concrete Counter Tops 1
How To Layout like a PRO - NOT NEEDED ANYMORE
Engineering Footings
Soil and Footings
Tiny Home Village - Making a Difference
Affordable Housing in Detroit
Spec Mix Delivery
Site Tools and Methods
3D Concrete Printer Overview: Industry and Opportunities
3D Concrete Printer Overview: Industry and Opportunities - MudBotsOur company gets calls every week from people and companies
that are interested in knowing more about the new industry of
3D Concrete Printing. People are intrigued by the possibilities,
but the industry is so new. They have lots of questions and
the more questions that are answered, the newer ones they discover.
The truth is that concrete printing is going to revolutionize
construction in a way that we haven’t seen since the invention of the tractor.
Our parent company is a robotics manufacturer so we understand as well
as most the changes before us.
Automation is coming and those
who embrace it will discover distinct advantages over their competition.
These are the pioneers that are on the forefront of technology
and their companies will lead the day moving forward.
The opportunities are endless
From printing fountains and statues to decorative fencing, monuments, and of course, homes and warehouses. This is a new industry, but it will evolve very quickly in numerous directions.
We recommend that before giving us a call, you take a moment and read some of the history and information below that you should find helpful.
Concrete 3D Printing - Is it a new industry?
As the world is slowly learning about a 3D Printed Castle,
and similar videos are beginning to go viral, entrepreneurs
all over the world are both fascinated and enamored with
thoughts of potential possibilities. There is no doubt that
this technology will change construction forever,
but as thousands of curious prospects begin to come in,
it’s becoming obvious that the cost to educate the public
is going to be extensive.
Everyone has so many questions,
but no one is really talking.
At first glance, the idea of printing concrete seems easy.
After all, everyone has seen a 3D printer or
CNC router tables, so where is the real mystery?
As hundreds are anxious to simulate what they’ve seen
on YouTube, they do so with a very naive approach.
Integration of
Concrete 3D Printing Technology
The idea of moving concrete with a computer controller isn’t hard at all. Anyone with a CNC router table can rig up a funnel and some sprinkler pipe to simulate most of the videos we’re beginning to see. And 90% quickly discover that the real mystery is in controlling and finishing the mud. Most of the people we speak to are fascinated by the idea, but nearly everyone hates the layer by layer look of the finished product. Even still, the idea of plastering the finished product is a viable solution, but the preference would be the ability to finish as you go and eliminate even more expense in an unnecessary step.
So while many CNC companies are just getting around to pouring their first bucket of mud through a funnel connected to a CNC table, and discovering the challenges of working with a material that changes every minute, the real players are already working to engineer a way to provide a finish that doesn’t require a crew of plasterers to come behind and make the finished product look good.
The Real Challenge
with this New Solution
So even if you have a thousand hours to waste on figuring out the formula for mixing the right mud that will support itself without turning into a flat mess or falling over when trying to cantilever the third and fourth pass, the next step requires a team of engineers to design a troweling feature that can follow the printed path and rotate with every turn. This is where others generally lose interest because it requires a competent group of software and mechanical engineers that understand the dynamics of 5-axis robotics as well as the structural characteristics of building with mortar.
The Germans lead the pack right now, but they aren’t interested in selling what they have built. Their business model is to provide service rather than sell their printing machine. Several Chinese companies are trying to cash in, but to date, they haven’t shown anything more than pushing some mortar out of a 2-axis CNC table. All they have accomplished is linear printing rather than 3D printing as evidenced by their videos. The group that started most of this with the 3D printed castle is ahead of most, but still have no solution for the undesirable finish that everyone’s concerned about.
Those that are a year or two into this know enough to recognize the challenge of managing a mechanical device that can rotate every corner and move in a manner that does not knock down the work that’s been done in an attempt to trowel as-you-go. It is the real task.
So now that we’ve shared a view of where this industry is at, let’s take a look at who we are.
Have questions about
3D Concrete Printing Technology?
I want a house on a 3D printer! Step-by-step instructions on how to do it
Mass-produced 3D printing of buildings is becoming a reality in the booming construction industry.
Today we will talk about the technology and types of industrial 3D printers.
Technology
The principle of construction using a 3D printer is the extrusion (extrusion) of concrete, layer by layer, according to a given three-dimensional computer model. With the help of a complex for preparing and supplying a building mixture, concrete is mixed with water and other additives and pumped into a hose. The hose is connected to the printer head. Under the pressure of the pump, concrete is fed to the head, the mixture exits the nozzle and is applied to the surface of the site or previous printed layers.
Types of construction 3D printers
To build a building, you need a ready-made 3D model, quick-setting concrete and a construction site that can be leveled with standard construction equipment. Most of the 3D printers print according to the same principle - by layering the concrete mixture extruded from the extruder nozzle.
There are exceptions, such as D-Shape printers, which print by layering powder material and then bonding across the entire width of the machine.
Construction 3D printers are diverse - these are machines with a polar scheme of operation (rotating 3D printers), and delta printers, and based on robotic arms. Concrete mixes suitable for extrusion today make it possible to print elements of varying complexity and size - from small architectural forms, such as flower beds and benches, to entire buildings, bridges and even skyscrapers. Therefore, printers differ not only in device, but also in scale.
There are several types of construction printers:
XYZ-printers (portal)
The equipment is a frame along which the head moves along the XY axes. Three portals are usually used to hang the print head. The portals are moved by stepper motors providing the highest precision. They are designed to print buildings in parts - in the shop; and for printing interior walls, when installing the printer inside a building under construction.
Small buildings that fit entirely under the arch of the printer are printed entirely in one go.
Delta
Delta printers, unlike gantry machines, do not rely on 3D guides and can print more complex shapes. Here the print head is suspended on thin arms that are attached to vertical rails.
Robots
Robotic printer-handles - a robot or a group of robots of the industrial manipulator type, equipped with extruders and controlled by a computer. A special case of a robot printer is a 3D printer with a polar pattern of operation, which is located inside a building under construction, usually in the center. Examples of such robots are a tracked vehicle from MIT and a robot from the Russian company Apis Cor.
D-Shape
Technical features make D-Shape a separate class of construction printers - it prints not with a solution, but with dry powder material, each layer of which is laid to the desired thickness and compacted, and then impregnated with a binder from the nozzles printer.
The finished part is cleaned of excess raw materials.
Mortars
The main print material is concrete.
Construction printing concrete must be suitable for extrusion through the print head. This is not as simple as it might seem at first glance. The difficulty is that the concrete must be laid in regular, even layers without spreading, and set quickly enough to retain its shape, but not too quickly - the superimposed layers must remain chemically active in order to form a single structure at the point of contact. Reducing the setting rate is also important for maintaining the performance of the equipment - the nozzle should not be clogged with hardening concrete.
Fine-grained mixtures are used for printing, which are different from traditional concrete. Each company develops its own formulation, which corresponds to the device of the printer and its nozzle, as well as the specifics of the target products.
The most important concrete parameters for a 3D printer are strength, curing rate, and plasticity. The required strength of concrete is selected by regulating the composition of the mixture - the amount of cement and the quality of aggregates, as well as the addition of plasticizers. Plasticizing agents significantly increase the mobility of the mixture and reduce the water-cement ratio, which increases the strength of concrete.
Would you like to know more? Come join us for 3D modeling classes! We will teach not only how to create virtual models of houses, but also show how to print them. All information by phone +7 (900) 029-50-10.
Author: Egrashkin Nikita Alekseevich
How are the houses printed on a 3D printer?
The idea of 3D printed houses has been around for a long time. In this article, you will learn about the first projects of 3D printed houses, brought to reality.
Let's face it, 3D-printed houses are still quite the out-of-the-box trend.
Although construction 3D printing has been in development for several years, it is only recently that some “real” projects have seen the light of day. We are still far from technology replacing traditional building methods. But with each new project, the technology is becoming more and more popular.
This is partly due to the many benefits of 3D construction printing. For example, the cost of a 3D printed house can be much lower than an equivalent house built in the traditional way. In addition, the cost of construction is also much less.
To interim fix the first results, this article will focus on some "first" 3-D projects. These buildings will always remain important to the construction 3D printing industry as they set the stage for future advances in the field.
Germany's first 3D printed house
Germany is a country often associated with cutting-edge engineering, so let's start our list with the world's first 3D printed house in Germany.
The house itself is located in Beckum, a city that is part of North Rhine-Westphalia, next to the Netherlands and Belgium. And that's important because it's the first 3D printed house to be fully certified to the national government's building codes. The implications of such an achievement are expected to pave the way for many other 3D printing construction projects in Germany as well as the rest of Europe.
The project is a collaboration between Peri, a German construction company, and COBOD, a Danish firm that specializes in 3D construction printing technology. Peri is a large corporation operating not only in Germany, but throughout the EU. They have many products, including scaffolding and formwork solutions, that every construction site needs.
Peri followed the construction 3D printing business for many years before acquiring a stake in COBOD in 2018 to further develop the technology. Both parties started building the house in Beckum just two years after the acquisition of the stake.
COBOD BOD2 Modular Concrete 3D Printer was used for a printing process that took just over 100 hours.
First privately owned 3D printed house in the US
There have been several 3D printed houses built in the US, but this is the first officially owned home, according to CNN. Alquist 3D has partnered with Habitat for Humanity Peninsula and Greater Williamsburg to design, develop and build the home.
From a distance, you might think that this is an ordinary house. However, as you get closer, the layered concrete structure of the walls reveals the building's secret: it's made using 3D printing.
Surprisingly, the concrete structure of this 1,200-square-foot home was completed in about 12 hours, significantly faster than traditional construction methods would have allowed.
Reportedly, the house was bought by April Springfield, who will live there with her son and dog. She purchased the house through the Habitat for Humanity housing program.
Given that the goal of the non-profit organization is to make a positive impact on the global housing crisis, it makes sense to use 3D printing to create homes that can be offered at very affordable prices, thereby making many people's dreams of owning their own home come true.
The first five-storey 3D printed house
This project, made by the Chinese company WinSun, is a real record holder. It is a 3D printed five-story apartment building with a height of 10 meters, making it the tallest 3D printed building.
The building is located in Suzhou Industrial Park in Jiangsu Province in east China. It stands next to a mansion that was also built by WinSun using a concrete 3D printer.
Looking at WinSun designs, you can't help but notice that they look like they weren't even 3D printed. Typically 3D printed structures are gray in color and clearly show layer lines. But WinSun loves to add some color and make the walls smoother, making their projects more like the buildings we're used to.
Although it is not stated how they do it, we assume that the workers manually level the walls.
First 3D printed biodegradable house
Most 3D printed buildings are made from some sort of concrete mix. But this project is different. With the aim of creating housing solutions with virtually no environmental impact, the Italian company WASP 3D printed the Gaia house using soil and agricultural waste.
To create the perfect blend of wall materials, WASP partnered with Ricehouse, a company that specializes in the use of natural and agricultural materials such as clay and rice in construction.
The house is called Gaia because the soil is used as a binder in the walls. In fact, 25% of the mixture contains local soil as well as 10% hydraulic lime, 25% rice husks and 40% crushed rice straw (a by-product of rice production at harvest).
In addition to the mix of materials, innovations are also reflected in the design of the walls themselves.
A special corrugated structure was used to provide ventilation on warm days as well as insulation during cold periods, virtually eliminating the need for air conditioning.
The Gaia house is indeed a small building of about 215 sq. m. ft. However, the wall printing only took 10 days, and the estimated materials cost is just under $1,000.
First 3D printed house on AirBnB
There are many different types of accommodations on AirBnB, but what about a 3D printed house?
The so-called Fibonacci House is the first 3D printed house to be booked through AirBnB. Given that it is located in rural British Columbia, this is a wonderful and exciting place to stay.
Although it may seem small, the house has a lot to offer. In fact, the internal area is approximately 375 square meters. feet, which is enough to accommodate up to four people.
The house's concrete walls were designed and printed by Dutch 3D printing firm Twente.
20 concrete parts were produced off site in just 11 days from material provided by Laticrete. The parts were later delivered and assembled at their current location.
So how much does a visit cost you? It's hard to tell if you're visiting AirBnB as there are no available places, but in 2021 Designboom said it was $133 per night.
The first floating 3D printed house
Prvok is not only the first 3D printed house in the Czech Republic, but also the first floating 3D printed house in the world, as it stands on a pontoon.
Scoolpt, a construction 3D printing startup, is responsible for this project, which took just 22 hours to 3D print the concrete structure of a houseboat.
Approximately 465 sq. feet of living space divided into a bathroom, bedroom and living room with kitchen. And while weight isn't usually discussed in the context of houses, given that this one stands on water, it's interesting to note that Prvok weighs 43 tons, according to its creators.
Since the house is separated from the ground, it has a built-in recirculation shower and tanks for drinking and service water. All things considered, the house should last at least 100 years.
Europe's first inhabited 3D printed house
Even in the past few years, 3D printed houses have mostly been showcases designed to showcase the possibilities of the technology. Most have no record of anyone actually driving into them. That changed back in 2017 when the couple moved into a 3D printed house located in Nantes, France, making the Yhnova house the first of its kind to be inhabited in Europe.
The house was created as part of a project between the University of Nantes and the Nantes Laboratory of Digital Sciences. And besides the main claim to fame, a very interesting aspect of the project is the specific technique used in its construction, which came from BatiPrint3D. Instead of 3D printing a concrete structure, the manipulator created wall shells from polyurethane, a material used for insulation.
Later, these membranes were filled with concrete.
In total, it took 54 hours to complete the 3D printing phase of the construction process. However, it took a little over 4 months to complete the construction. This was mainly due to the fact that the roof, doors, windows and installations were made using conventional means. But it doesn't help that the Yhnova isn't all that small, with about 1,025 feet of interior space.
India's first 3D printed house
India's first ever 3D printed house was built back in 2020. The project was carried out by a construction 3D printing startup called Tvasta, which was founded by graduates from the Indian Institute of Technology in Madras. In fact, the campus of the institute in Chennai was chosen as the site for construction.
The significance of this project lies in its impact on the housing crisis worldwide and in India in particular. The ability to build such a structure in a matter of days and for a minimal fraction of the cost of a standard equivalent home demonstrates the possibility of greatly reducing the country's housing crisis.
The internal area is 600 sq. m. feet, which is distributed in a simple layout with one bedroom and a combined kitchen and living room.
The concrete structure of the house was 3D printed off site and the pieces were later transported and assembled on campus. The foundation, meanwhile, was built using the conventional method of pouring concrete into the ground.
Africa's first 3D printed house
Back in 2019, construction of Africa's first 3D printed house by Spanish firm Be More 3D began in the Moroccan city of Ben Guerir. The project was born out of the group's participation in Solar Decathlon Africa, an event that requires members to design and build homes powered only by the sun.
For their application, Be More 3D made a 345 sq. feet, which was printed in about 12 hours. This feat earned them first place and the title of Most Innovative Startup.
Be More 3D didn't stop at Africa, it later created Spain's first 3D printing house and also developed its own concrete 3D printer in partnership with several corporations working in the automation and materials industries.
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